Security
Every Security read CryptoBloggers has picked: 828 so far, 722 in the last 30 days, strongest first under “Start here” and newest first below.
Security picks in the 6:30 email
The day’s five best crypto reads, plus AI agents doing real things on-chain. Free, every morning at 6:30 a.m. Central.
Every Security card
newest first · page 9 of 28- 1
ZachXBT Suspects Cover-Up as Tally on Suspected EU Theft Climbs to $133 Million
ZachXBT alleges a cover-up as suspected EU-linked theft reaches $133M, with funds still leaving exchanges after his first alert.
- 2
Brazil’s Mercado Bitcoin Puts Security Incident at $38 Million, Says Clients Won’t Lose Assets
Mercado Bitcoin puts its security incident at $38M, with $11M blocked by partners and deposits and withdrawals suspended.
- 3
Binance Publishes Zero-Knowledge Reserve Proof for BTC, ETH and 8 Other Tokens After Hack
Binance published a zero-knowledge reserve proof for 10 tokens after the hack, with 5% of affected funds in less liquid assets.
- 4
North Korea denies role in $6.4 billion Binance hack after FBI points to TraderTraitor
North Korea denies involvement in the $6.4B Binance hack after FBI alerts tied the theft to TraderTraitor-controlled wallets.
- 5
Mercado Bitcoin pledges to cover all user losses after near $40 million hack
Mercado Bitcoin will cover all user losses after a near $40M hack, and partners froze $11M of the stolen assets.
- 6
Suspected EU crypto theft estimate rises to $133M: ZachXBT
ZachXBT's suspected EU theft estimate has risen to $133M, with another $27M in exchange withdrawals traced, some after he first flagged it.
- 7
Arbitrum’s council moved $30 million of Binance hack funds without the hacker’s key
Arbitrum's 12-person security council briefly rewrote a core contract to move $30M of Binance hack funds without holding the key, the second such episode this year.
- 8
South Korea urges exchanges to boost cold storage after Binance hack
South Korea's regulator is pressing exchanges to raise cold-storage holdings after the Binance hack, on top of the existing 80% cold-wallet requirement.
- 9
Chainalysis Puts Mercado Bitcoin Hack at $49 Million Across 17 Chains
Chainalysis puts the Mercado Bitcoin hack at $49M across 17 chains, with $11M blocked and services still suspended.
- 10
Liquid Restores Full Bitcoin Backing After Elements Exploit
Liquid restores full Bitcoin backing after the Elements exploit, a condition for reopening federation withdrawals.
- 11
Trezor Now Accepts 128-Character Passphrases, Pointing to Coldcard’s Seed Flaw
Trezor raises passphrase length to 128 characters, citing the Coldcard seed failure as the reason.
- 12
Anza Sounds the Alarm for Solana Validators on a Linux Bug Ubuntu Hasn’t Fixed
Anza warns Solana validators about an unpatched Linux kernel flaw that Ubuntu has not fixed, with workarounds that don't fully protect.
- 13
North Korea denies role in $6.3B Binance hack, points finger at US
North Korea denies the FBI's attribution of the $6.3B Binance hack and says the US is politically motivated.
- 14
A THORChain Bug Has Slowed North Korean Hackers Laundering Stolen Binance Funds
A THORChain refund flaw exposed by a one-block Ethereum reorg is slowing North Korean laundering of Binance funds, with most chains halted.
- 15
Disrupting the Mercado Bitcoin Attack: How Chainalysis Led the Freeze of Nearly $10M in Stolen Funds
Chainalysis helped freeze nearly $10M of the roughly $49M stolen in the Mercado Bitcoin hack, a concrete look at incident response.
- 16
Bank of Korea Weighs How Its Banks Would Weather a Crypto Exchange Hack
Bank of Korea surveys 18 banks and 13 brokerages on how they would cope with a hack of Korea's largest crypto exchange.
- 17
Arbitrum’s Security Council Can Move a Wallet’s Funds Without Its Key, Binance Freeze Shows
Arbitrum's Security Council froze 8,426 ETH and 74.6M ARB in a Binance-linked wallet, and a walkthrough shows it moved funds without the holder's key.
- 18
North Korea Rejects FBI Blame for $6.3 Billion Binance Hack
North Korea rejects FBI blame for the $6.3B Binance hack, while Chainalysis links the stolen funds to proceeds of an earlier exploit.
- 19
Crypto investigators flag suspected $106M theft, $786K Solana bot drain
Investigators flag a suspected $106M theft from EU exchange accounts and a $786K drain from a Solana arbitrage bot wallet.
- 20
Mystery $106 Million Crypto Theft Hits EU Entity Days After Binance Hack
ZachXBT reports an unidentified EU entity lost over $106M from centralized exchange accounts, days after the Binance hack.
- 21
Liquid Reserve Gap Falls to 250 BTC After 300 BTC Top-Up
Liquid's L-BTC reserve gap fell to 250 BTC after a 300 BTC top-up, but direct peg-outs stay paused until reserves are fully restored.
- 22
Mercado Bitcoin Breach Wallet Sends 2,800 ETH Onward
Funds from the Mercado Bitcoin breach wallet moved onward, including 2,800 ETH, 2.24M USDC and 1.7M TRX.
- 23
Mercado Bitcoin wallets show post-hack transfers after $46M theft
Mercado Bitcoin paused deposits and withdrawals after a breach of over $46M, and wallets now show post-hack transfers.
- 24
North Korea Is Laundering Binance Hack Loot at One New Wallet Every 25 Seconds
North Korea launders Binance hack proceeds through automated wallet rotation, with $2.85B of $6.43B frozen or seized versus about 3% in the Bybit hack.
- 25
Four More Crypto Hacks Land in the Days After Binance
Brazil's largest exchange, an unnamed EU entity, BTCPay merchants and DeFi sites were hit in the days after the Binance hack.
- 26
Horizen’s Nov. 4 Bridge Cutoff Leaves USDC.e Outside DAO Recovery Plan
Horizen's DAO recovery plan excludes USDC.e bridged after the Nov. 4 cutoff; remaining ZEN and eligible ETH will be returned on Base.
- 27
Binance Reopens Withdrawals as FBI Pins $6B Hack on North Korea
Binance reopened withdrawals after the FBI attributed a $6B hack to North Korea; users pulled a net $3.64B in the first hours.
- 28
EU entity suspected of losing $106 million from crypto exchange accounts, ZachXBT says
ZachXBT says an unidentified EU entity lost $106 million from exchange accounts; funds moved through ether, instant exchanges and Monero.
- 29
Researcher Puts Mercado Bitcoin Freezes Near $7 Million
Onchain records show Circle and Paxos freezing funds linked to Mercado Bitcoin, which has suspended withdrawals after a roughly $7 million hack.
- 30
Binance completes latest proof of reserves as it works to restore assets, withdrawals after record hack
Binance published a proof of reserves and is replenishing about 95% of assets lost in the record hack.